1. A size of paper, about 17 inches by 14, so called as originally watermarked with a fool's cap.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• doolscap,
• coolscap,
• voolscap,
• goolscap,
• toolscap,
• roolscap,
• fiolscap,
• fkolscap,
• flolscap,
• fpolscap,
• f0olscap,
• f9olscap,
• foilscap,
• foklscap,
• foulsdup,
• fools cape,
• foolscaps,
• Foolscepp,
• Fullscap,
• Foulscap

• foul-spoken,
• fool's cap.

The adjective form of the word "foolscap" is "foolscap-sized".

The plural form of the word "foolscap" is "foolscaps".

The singular form of the word "foolscap" is "foolscap".